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| Number | Title | Issue Date |
| 7668211 | Waveguide-pumping gain guided index antiguided fiber laser Methods, systems and devices for a waveguide pumping gain guided index antiguided fiber laser having a fiber selected for a refractive index crossover at a wavelength between a pump wavelength and a laser emission wavelength. A waveguide pumping system pumps a light... | 02/23/2010 |
| 7639423 | Direct beam solar lighting system A direct beam solar lighting system for collecting and distributing sunlight into a room. The system includes a rotatable solar collector head to receive sunlight and to reflect the sunlight downward into a transition tube having a reflective interior surface. The l... | 12/29/2009 |
